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authorIlan Elias <ilane@ti.com>2012-08-15 11:46:23 +0300
committerSamuel Ortiz <sameo@linux.intel.com>2012-09-25 00:17:23 +0200
commitac206838403411e617dbe0e7df1891ee957f1f9a (patch)
treec71cced20fcdac75ae4d0e2f7925965f54289485 /net/nfc/nci
parent7e0352306f6869b442a574a8e691f126c9fe930a (diff)
NFC: Parse NCI NFC-DEP activation params
Signed-off-by: Ilan Elias <ilane@ti.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc/nci')
-rw-r--r--net/nfc/nci/ntf.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c
index af7a93b04393..6e17661a41a4 100644
--- a/net/nfc/nci/ntf.c
+++ b/net/nfc/nci/ntf.c
@@ -361,6 +361,33 @@ static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev,
return NCI_STATUS_OK;
}
+static int nci_extract_activation_params_nfc_dep(struct nci_dev *ndev,
+ struct nci_rf_intf_activated_ntf *ntf, __u8 *data)
+{
+ struct activation_params_poll_nfc_dep *poll;
+ int i;
+
+ switch (ntf->activation_rf_tech_and_mode) {
+ case NCI_NFC_A_PASSIVE_POLL_MODE:
+ case NCI_NFC_F_PASSIVE_POLL_MODE:
+ poll = &ntf->activation_params.poll_nfc_dep;
+ poll->atr_res_len = min_t(__u8, *data++, 63);
+ pr_debug("atr_res_len %d\n", poll->atr_res_len);
+ if (poll->atr_res_len > 0) {
+ for (i = 0; i < poll->atr_res_len; i++)
+ poll->atr_res[poll->atr_res_len-1-i] = data[i];
+ }
+ break;
+
+ default:
+ pr_err("unsupported activation_rf_tech_and_mode 0x%x\n",
+ ntf->activation_rf_tech_and_mode);
+ return NCI_STATUS_RF_PROTOCOL_ERROR;
+ }
+
+ return NCI_STATUS_OK;
+}
+
static void nci_target_auto_activated(struct nci_dev *ndev,
struct nci_rf_intf_activated_ntf *ntf)
{
@@ -454,6 +481,11 @@ static void nci_rf_intf_activated_ntf_packet(struct nci_dev *ndev,
&ntf, data);
break;
+ case NCI_RF_INTERFACE_NFC_DEP:
+ err = nci_extract_activation_params_nfc_dep(ndev,
+ &ntf, data);
+ break;
+
case NCI_RF_INTERFACE_FRAME:
/* no activation params */
break;

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